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US State Fossils
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STATE FOSSIL DESCRIPTION
ALABAMA Basilosaurus cetoides Archaeocete whale; Eocene
ALASKA Mammuthus primigenius Wooly Mammoth; Pleistocene
ARIZONA Araucarioxylon arizonicum Petrified Wood; Triassic. Remains found in Petrified Forest National Park
ARKANSAS NONE  
CALIFORNIA Smilodon fatalis Saber Tooth Cat; Pleistocene. Remains found in Rancho LaBrea Tarpits, Los Angeles.
COLORADO Stegosaurus stenops Herbivorous Dinosaur; Jurassic. Remains found in Colorado's Morrison Formation.
CONNECTICUT Eubrontes giganteus Dinosaur Tracks; Triassic. Found at Dinosaur State Park in Rocky Hill.
DELAWARE Belemnite americana Belemnite; Cretaceous. Cephalopod
FLORIDA Eupatagus antilolarum Sea Urchin; Eocene. Also known as Agatized coral.
GEORGIA Carcharadon megalodon Shark; Tertiary. Remains found washed up on Georgia beaches
HAWAII NONE  
IDAHO Equus simplicidens Horse; Pliocene. Also known as "Hagerman's Horse Fossil".
ILLINOIS Tullimonstrum gregarium Wormlike Animal; Carboniferous (Pennsylvanian). Also known as "Tully Monster".
INDIANA NONE  
IOWA NONE  
KANSAS NONE  
KENTUCKY Brachiopod Genus/Species Unspecified; Ordovician (Paleozoic)
LOUISIANA Palmoxylon sp. Petrified Palmwood; Oligocene
MAINE Pertica quadrifaria Early Vascular Land Plant; Devonian
MARYLAND Ecphora gardnerae gardnerae and Astrodon johnstoni Gastropod; Miocene; Astrodon, Suaropod dinosaur; Cretaceous
MASSACHUSETTS Dinosaur Tracks Genus/Specis unspecified; Triassic.
MICHIGAN NONE State Stone is the Hexagonaria percarinata. Coral; Devonian. Also known as Petoskey Stone.
MINNESOTA NONE Casturoides ohioensis, a giant beaver, has been proposed
MISSISSIPPI Zygorhiza kochii Archaeocete whale; Eocene
MISSOURI Delocrinus missouriensis Crinoid; Carboniferous
MONTANA Maiasuara peeblesorum Herbivorous duckbilled dinosaur; Cretaceous
NEBRASKA Mammuthus imperator mailbeni Mammoth; Pleistocene
NEVADA Shonisaurus popularis Ichthyosaur; Triassic
NEW HAMPSHIRE NONE  
NEW JERSEY Hadrosaurus foulki Herbivorous duckbilled dinosaur; Cretaceous. First Dinosaur skeleton found in the United States.
NEW MEXICO Coelophysis bauri Predatory dinosaur; Triassic. Remains found at Ghost Ranch, NM
NEW YORK Eurypterus remipes Eurypterid; Silurian. Giant sea scorpion
NORTH CAROLINA NONE  
NORTH DAKOTA Teredo Petrified Wood Petrified Wood; Paleocene
OHIO Isotelus sp. Trilobite; Ordovician
OKLAHOMA NONE  
OREGON NONE  
PENNSYLVANIA Phacops rana Trilobite; Devonian
RHODE ISLAND NONE  
SOUTH CAROLINA NONE  
SOUTH DAKOTA Triceratops prorosus Herbivorous dinorsaur; Cretaceous
TENNESSEE Pterotrigonia thoracica Gastropod; Cretaceous. Found at Coon Creek.
TEXAS Pleurocoelus sp . Sauropod dinosaur; Cretaceous
UTAH Allosaurus gragilis Predatory dinosaur; Jurassic. Remains common in Utah.
VERMONT Delphinapterus leucas Beluga Whale; Pleistocene
VIRGINIA Chesapecten jeffersonius Pelecypod; Pliocene. Named for Thomas Jefferson. Many specimens were uncovered due to the rains and winds of Hurricane Floyd.
WASHINGTON Mammuthus columbi Columbian Mammoth; Pleistocene
WEST VIRGINIA NONE State gem is listed as Lithostrotionella sp. Rugose coral; Mississippian
WISCONSIN Calymene celebra Trilobite; Silurian
WYOMING Knightia sp. and Triceratops Fish (Fresh Water Herring); Eocene. Found in the Green River outcrops. Triceratops, Herbivorous dinosaur; Cretaceous

 

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© 1998-2006 Memphis Archaeological and Geological Society. This page last updated 07.07.2006.